Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $7,500,000

· Closed August 14, 2015

16 W 21st Street #PH
Closed For Sale Condo

$7,500,000

$2,030 per sq ft

16 W 21st Street #PH

Flatiron, Manhattan

MLS® #RLS10096153

RLS at REBNY

Listing by Compass

3

Bedrooms

3.5

Baths

3,695

Sq. Ft.

2010

Year Built

Quick Summary

Bedrooms 3
Bathrooms 4 full, 1 half
Living Area 3,695 sq ft
Year Built 2010
Ownership Condo
HOA/Common Charges $4,779/mo
Property Taxes $19,764/yr
Neighborhood Flatiron

Property Highlights

  • Views: City
  • Exposure: North,South facing
  • Outdoor Space: Terrace

Property Details

Type Condo
Ownership Condominium
Total Rooms 8
Baths 3 Full, 1 Half
View City
Exposure North,South
Cooling Central Air
Pets Yes
Cross Street Fifth Avenue/Sixth Avenue
Year Built 2010
Living Area 3,695 sq ft
Block/Lot 822/51

Listing History

Event Date Price Change
Listed Mar 10, 2015 $7,500,000 -
Price Reduced Aug 14, 2015 $7,995,000 +6.6%

Description

Constructed in 2011 by award winning architect Morris Adjmi in collaboration with fashion designer Zac Posen, this exceptional Penthouse condominium triplex moments from Madison Square Park is Architectural Digest-quality. Gut renovated to the highest standards with every convenience and luxury, this home has been painstakingly appointed to the most exacting standards.

At approximately 3,695sf with 750sf private outdoor space, this Penthouse has a Townhouse feeling that defines sophistication. The elevator opens to a landing that leads to the great room/living room with a gas fireplace and large North facing windows. A foyer leads to two southern facing bedrooms with planted terrace plus two bathrooms beautifully appointed with Bosco marble. On this floor is a laundry room with a Bosch washer and vented dryer.

The Upper Level boasts a formal dining/living area with fireplace and a Chef?s kitchen superbly appointed with a Sub Zero refrigerator and wine refrigerators, Miele gas cooktop, dishwasher, steam oven, plate warmer, built in coffee system and custom millwork pantry. For additional dining, the extraordinary terrace with a pergola for privacy leading off the kitchen provides for splendid al fresco dining with a Viking gas grill with rotisserie, sink and storage.

The spectacular entire Top floor is designated to the master suite, also with a fireplace, his and hers walnut dressing rooms, and an office. The glass walled master bathroom with a one-way privacy screen, inspiring freestanding tub and steam shower. Heated floors are featured in all bathrooms, all the fixtures are by Lefroy Brooks, hardware is Samuel Heath, baths are by Duravit and Sunrise, Regency Noir and Trousdale marble mosaic and Bosco marble floors, Robern mirror cabinets.

The impressive private rooftop terrace was designed by Brook Landscape and is fully irrigated: ipe, cedar and river stone are featured here with a pergola and custom copper outdoor shower as well as additional storage.

The entire Penthouse was designed with impeccable attention to detail. There is access to all the floors by the elevator or the gracious Skylit stairway. A Savant system features throughout and all the windows are triple paned oversized windows, transporting light throughout, accented by the tall ceilings. The building with doorman is certified LEED construction and a features a custom glass facade. 16 West 21st offers a skylit gym, sauna and steam room as well as cold storage.

This magnificent Penthouse located in the vibrant Flatiron District, centrally located and home to the best restaurants the city has to offer, is in close proximity to major subway lines, retail stores, Madison Square and Union Square Park, Eataly and the brand new Edition Hotel .

Features & Amenities

Interior Features

Pantry Building Washer Dryer Install Allowed

Exterior Features

Building Roof Deck Terrace

Appliances

Dryer Washer

Building Information

Financial Details

Common Charges $4,779/mo
RE Taxes $19,764/yr ($1,647/mo)
Previous Price $7,995,000

The Flatiron District is a busy intersection of history, technology, and luxury living. Named after the iconic Flatiron Building, the neighborhood is centered around Madison Square Park and is a hub for the city's 'Silicon Alley.' The real estate market is famous for its grand cast-iron loft buildings with high ceilings and expansive floor plans, alongside ultra-luxury glass towers that offer modern amenities and central Manhattan convenience.

Flatiron Live Market Data

View Neighborhood

Active Listings

135

Median Asking Price

$2.29M

Median $/Sqft

$1,775

Avg Days on Market

N/A

New This Week

7

Price Reduced

32%

Sold (30 Days)

0

Median Sale Price

N/A

Live data from RLS at REBNY • Updated 5/14/26, 5:40 PM EST

Similar Listings in Flatiron

View All

Location

Loading map...

16 W 21st Street #PH, Flatiron, New York County • Near Fifth Avenue/Sixth Avenue

Building Information

Official NYC property records for this building

1925
Year Built
101 years old
2
Floors
2
Residential Units
R5B
Zoning District
Two Family Dwellings

Tax & Assessment

Assessed Value: $86,760
Land Value: $12,180
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 1,992 SF
Building Area: 2,288 SF
Built FAR: 1.15
Allowed FAR: 1.5

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed common charges are $4,779 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $19,764, or roughly $1,647 per month. Verify the current assessment with your attorney before closing.

This property has 3 bedrooms and 3 full bathrooms and 1 half bathroom.

The listed interior living area is 3,695 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 2010, making it approximately 16 years old.

This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.

Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.

At the current list price of $7,500,000 for 3,695 sq ft, the asking price per square foot is approximately $2,030. This figure is for reference only and may differ from appraised or assessed values.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS10096153
First Listed: 3/10/2015
Price Changed: 8/14/2015
Closed: 8/14/2015
Contract Date: 1/30/2014

Listing Courtesy of Compass - Lois Planco

Listing Contact: (917) 915-0916

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 5/14/2026 at 9:40 PM UTC

Buying a Condo? Start Here

Co-op vs. Condo: Which Is Right for You?

Ownership structure, board approval, financing: the full comparison.

Read article

Condo Due Diligence Checklist

What to review before signing: financials, reserve fund, offering plan.

Read article

How to Read a Condo Offering Plan

Decode the offering plan before you commit to any new development.

Read article

NYC Mansion Tax: 2026 Guide

How the tiered mansion tax works for purchases over $1M.

Read article

Interested in this property?

Your info is secure and never shared.

View Active Listings Call Milton